Free Online Base64 Encoder & Decoder
Encode plain text or binary files into Base64 strings, or decode Base64 back into readable text or downloadable files.
How to Use the Base64 Encoder & Decoder
- Select 'Encode' or 'Decode' mode.
- Paste your text or Base64 string into the input area.
- View the converted output in real time.
- Click 'Copy Result' to copy to clipboard.
Key Features
About Base64 Encoder & Decoder
Convert UTF-8 text and binary data into safe Base64 representations and decode them back instantly. Full support for Unicode characters, emoji, and file-to-data-URI conversions.
Frequently Asked Questions
Does this handle Unicode and emojis properly?
Yes. Standard browser `btoa` fails on multibyte strings, but our encoder uses a modern TextEncoder and TextDecoder pipeline for flawless Unicode and emoji encoding.
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